
Art Mark International Corp.

Sting Free Co.

Maanshan Huake Industry Co. Ltd.

He Fei Hai De Shu Kong Ye Ya She Bei You Xian Gong SiAnhui Sheng, China

Shenzhen Hynn Technology Co. Ltd.

Tongling Hengsheng Track Equipment Limited Liability CompanyAnhui Sheng, China

Hebei Huayou Cultural Heritage Protection Co., Ltd.Hebei Sheng, China

Zaozhuang Zhenxing Carbon Material Technology Co., Ltd.

Capital Machine Co, Inc.

Hefei Guorui Prefabricated Building Technology Co., Ltd.

LM Machinery SL

Xuzhou Lituo Intelligent Equipment Manufacturing Co., Ltd.